Build for Alpine

.github/workflows/deploy-image.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        uses: docker/metadata-action@v4
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
@@ -57,6 +57,17 @@ jobs:
         with:
           platforms: linux/amd64,linux/arm64
           context: .
+          file: ./Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Build and push Docker image for Alpine
+        uses: docker/build-push-action@v4
+        with:
+          platforms: linux/amd64
+          context: .
+          file: ./Dockerfile-Alpine
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}-alpine
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile-Alpine

@@ -0,0 +1,5 @@
+FROM openjdk:17-alpine
+
+ADD target/tibber-pulse-reader-1.0.0-SNAPSHOT.jar /tibber-pulse-reader.jar
+
+ENTRYPOINT ["java","-XX:+UnlockExperimentalVMOptions","-XX:+UseContainerSupport","-jar","/tibber-pulse-reader.jar"]